import java.util.Scanner;

// 注意类名必须为 Main, 不要有任何 package xxx 信息
public class Main1 {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        // 注意 hasNext 和 hasNextLine 的区别
        int n = in.nextInt();
        int[] a = new int[n];
        for (int i = 0; i < n; i++) {
            a[i] = in.nextInt();
        }
        int t;
        StringBuilder str = new StringBuilder();
        for (int i = 0; i < n; i++) {
            str.append(a[i]);
            int count = 1;
            t = i;
            while (i < n - 1 && a[i] == a[i + 1]) {
                count++;
                i++;
            }
            if (count > 1) {
                str.append("(").append(count).append(")");
            }
            str.append(" ");
        }
        System.out.println(str);
    }
}